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Jingning Han authored
This commit allows the encoder to check the eob per transform block to decide how to compute the SATD rate cost. If the entire block is quantized to zero, there is no need to add anything; if only the DC coefficient is non-zero, add its absolute value; otherwise, sum over the block. This reduces the CPU cycles spent on vp9_satd_sse2 to one third. Change-Id: I0d56044b793b286efc0875fafc0b8bf2d2047e32
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